基于多层注意力和消息传递网络的药物相互作用预测方法

饶晓洁; 张通; 孟献兵; 陈俊龙

doi:10.16383/j.aas.c220371

基于多层注意力和消息传递网络的药物相互作用预测方法

doi: 10.16383/j.aas.c220371

饶晓洁^1,,
张通^{1, 2,},
孟献兵^1,,
陈俊龙^{1, 2,}

1.
华南理工大学计算机科学与工程学院广州 510006
2.
琶洲实验室广州 510355

基金项目: 国家重点研发计划(2019YFB1703600), 国家自然科学基金 (62006081), 广东省自然科学基金面上项目 (2022A1515011317), 中国博士后科学基金(2020M672630) 资助

详细信息

作者简介:
饶晓洁：华南理工大学计算机科学与工程学院硕士研究生. 主要研究方向为机器学习与人工智能在生物医药领域的应用. E-mail: rxj19971214@163.com

张通：华南理工大学计算机科学与工程学院教授. 2016年获得澳门大学软件工程专业博士学位. 主要研究方向为情感计算, 进化计算, 神经网络和其他机器学习技术及其应用. E-mail: tony@scut.edu.cn

孟献兵：华南理工大学计算机科学与工程学院助理研究员. 2019年获中南大学博士学位. 主要研究方向为计算智能和人工智能算法及其应用. 本文通信作者. E-mail: axbmeng@gmail.com

陈俊龙：华南理工大学计算机科学与工程学院教授. 主要研究方向为控制论, 智能系统和计算智能E-mail: philipchen@scut.edu.cn

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出版历程
- 收稿日期: 2022-05-06
- 录用日期: 2022-07-25
- 网络出版日期: 2022-11-02
- 刊出日期: 2023-12-27

Drug-drug Interaction Prediction Method Based on Multi-level Attention Mechanism and Message Passing Neural Network

1.
School of Computer Science and Engineering, South China University of Technology, Guangzhou 510006
2.
Pazhou Laboratory, Guangzhou 510335

Funds: Supported by National Key Research and Development Program of China (2019YFB1703600), National Natural Science Foundation of China (62006081), Natural Science Foundation of Guangdong Province (2022A1515011317), and China Postdoctoral Science Foundation Project (2020M672630)

More Information

Author Bio:
RAO Xiao-Jie　Master student at the School of Computer Science and Engineering, South China University of Technology. Her research interest covers application of machine learning and artificial intelligence in the field of biomedicine

ZHANG Tong　Professor at the School of Computer Science and Engineering, South China University of Technology. He received his Ph.D. degree in software engineering from University of Macau in 2016. His research interest covers affective computing, evolutionary computation, neural network, and other machine learning techniques and their applications

MENG Xian-Bing　Assistant research fellow at the School of Computer Science and Engineering, South China University of Technology. He received his Ph.D. degree from Central South University in 2019. His research interest covers computational intelligence and artificial intelligence algorithms and their applications. Corresponding author of this paper

CHEN C. L. Philip　Professor at the School of Computer Science and Engineering, South China University of Technology. His research interest covers cybernetics, intelligent systems, and computational intelligence

摘要

摘要: 药物相互作用(Drug-drug interaction, DDI)是指不同药物存在抑制或促进等作用. 现有DDI预测方法往往直接利用药物分子特征表示预测DDI, 而忽略药物分子中不同原子对DDI的影响. 为此, 提出基于多层次注意力机制和消息传递神经网络的DDI预测方法. 该方法将DDI建模为通过学习基于序列表示的药物分子特征实现DDI预测的链接预测问题. 首先, 建立基于注意力机制和消息传递神经网络的原子特征网络, 结合提出的基于分子质心的位置编码, 学习不同原子及其相关联化学键的特征, 构建基于图结构的药物分子特征表示; 然后, 设计基于注意力机制的分子特征网络, 并通过监督和对比损失学习, 实现DDI预测; 最后, 通过实验证明该方法的有效性和优越性.
- 药物相互作用预测 /
- 多层次注意力机制 /
- 消息传递神经网络 /
- 位置编码
Abstract: Drug-drug interaction (DDI) denotes the presence of inhibitory or promoting effects between different drugs. The existing DDI prediction methods often directly use drug molecular feature representation, while ignoring the different effects of different atoms within drug molecule on DDI. To solve this problem, a DDI prediction method is proposed based on multi-level attention mechanism and message passing neural network. This method models the task as a link prediction problem of predicting DDI by extracting the drug molecular features from their sequence representations. First, the atomic feature network is developed based on attention mechanism and message passing neural network. Through integration with the proposed positional encoding based on molecular centroid, the proposed network can learn from different atoms and the correlated chemical bonds to construct drug molecular graph features. Second, attention mechanism-based molecular feature network is designed, and the DDI prediction can then be realized by using supervision and contrastive loss learning. Finally, experiments demonstrate the effectiveness and superiority of the proposed method.
- Drug-drug interaction prediction /
- multi-level attention mechanism /
- message passing neural network /
- positional encoding

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图 1 模型框架图

Fig. 1 Framework of the proposed model

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图 2 基于注意力机制的消息传递原子特征网络

Fig. 2 Framework of the message passing atomic feature network base on attention mechanism

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图 3 药物分子之间注意力分数的可视化

Fig. 3 Visualization of attention scores between drug molecules

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图 4 位置编码对模型收敛性能的影响

Fig. 4 The effect of positional encoding on model convergence performance

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图 5 在ZhangDDI数据集上不同$\alpha$和$\beta$取值对模型性能的影响

Fig. 5 The effects of different $\alpha$ and $\beta$ on model performance on ZhangDDI dataset

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图 6 在ChCh-Miner数据集上不同$\alpha$和$\beta$取值对模型性能的影响

Fig. 6 The effects of different $\alpha$ and $\beta$ on model performance on ChCh-Miner dataset

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表 1 ZhangDDI数据集上的对比实验结果

Table 1 Comparison experimental results on ZhangDDI dataset

模型	AUROC	AUPRC	F1
NN^[24]	67.81±0.25	52.61±0.27	49.84±0.43
LP-Sub^[25]	93.39±0.13	89.15±0.13	79.61±0.16
LP-SE^[25]	93.48±0.25	89.61±0.19	79.83±0.61
LP-OSE^[25]	93.50±0.24	90.31±0.82	80.41±0.51
MF-Ens^[11]	95.20±0.14	92.51±0.15	85.41±0.16
SSP-MLP^[1]	92.51±0.15	88.51±0.66	80.69±0.81
GCN^[26]	91.91±0.62	88.73±0.84	81.61±0.39
GIN^[27]	81.45±0.26	77.16±0.16	64.15±0.16
Att-auto^[12]	92.84±0.61	90.21±0.19	70.96±0.39
GAT^[28]	91.49±0.29	90.69±0.10	80.93±0.25
SEAL-CI^[29]	92.93±0.19	92.82±0.17	84.74±0.17
NFP-GCN^[30]	93.22±0.09	93.07±0.46	85.29±0.38
MIRACLE^[13]	98.95±0.15	98.17±0.06	93.20±0.27
本文方法	99.14±0.01	97.97±0.02	93.79±0.28

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表 2 ChCh-Miner数据集上的对比实验结果

Table 2 Comparison experimental results on ChCh-Miner dataset

模型	AUROC	AUPRC	F1
GCN^[26]	82.84±0.61	84.27±0.66	70.54±0.87
GIN^[27]	70.32±0.87	72.41±0.63	65.54±0.97
GAT^[28]	85.84±0.23	88.14±0.25	76.51±0.38
SEAL-CI^[29]	90.93±0.19	89.38±0.39	84.74±0.48
NFP-GCN^[30]	92.12±0.09	93.07±0.69	85.41±0.18
MIRACLE^[13]	96.15±0.29	95.57±0.19	92.26±0.09
本文方法	98.45±0.31	99.79±0.04	96.51±0.84

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表 3 原子特征网络的消融实验结果

Table 3 Ablation experimental results on atomic feature network

数据集	算法	AUROC	AUPRC	F1
ZhangDDI	无注意力的原子网络	98.70±0.20	96.89±0.50	90.46±1.18
ZhangDDI	本文方法	99.14±0.01	97.97±0.02	93.79±0.28
ChCh-Miner	无注意力的原子网络	95.90±0.99	99.18±0.15	96.23±0.34
ChCh-Miner	本文方法	98.45±0.31	99.79±0.04	96.51±0.84

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表 4 分子特征网络的消融实验结果

Table 4 Ablation experimental results on molecular feature network

数据集	算法	AUROC	AUPRC	F1
ZhangDDI	无注意力的分子网络	98.82±0.27	97.18±0.68	91.60±1.84
ZhangDDI	本文方法	99.14±0.01	97.97±0.02	93.79±0.28
ChCh-Miner	无注意力的分子网络	95.78±1.29	99.19±0.38	95.19±1.45
ChCh-Miner	本文方法	98.45±0.31	99.79±0.04	96.51±0.84

下载: 导出CSV

表 5 位置编码对模型性能影响的对比结果

Table 5 Comparison results of the impact of positional encoding on model performance

数据集	算法	AUROC	AUPRC	F1
ZhangDDI	无位置编码	98.91±0.26	97.46±0.60	91.38±2.11
	传统位置编码	99.02±0.21	97.68±0.53	92.70±1.35
	本文方法	99.14±0.01	97.97±0.02	93.79±0.28
ChCh-Miner	无位置编码	95.62±2.79	99.11±0.63	96.12±0.58
	传统位置编码	97.54±0.46	99.66±0.06	94.73±0.54
	本文方法	98.45±0.31	99.79±0.04	96.51±0.84

下载: 导出CSV

表 6 损失函数对模型性能影响的对比结果

Table 6 Comparison results of the impact of loss function on model performance

数据集	算法	AUROC	AUPRC	F1
ZhangDDI	无自蒸馏约束项	98.71±0.01	96.87±0.02	89.53±0.54
	无对比学习损失项	94.19±0.06	79.62±0.31	73.59±0.39
	infoNCE 对比损失项	99.10±0.05	97.91±0.09	92.87±0.60
	不同采样方式的对比损失项	99.13±0.02	97.97±0.04	93.15±0.61
	本文方法	99.14±0.01	97.97±0.02	93.79±0.28
ChCh-Miner	无自蒸馏约束项	97.55±3.24	99.48±0.87	96.34±1.01
	无对比学习损失项	58.70±5.00	90.30±1.06	94.89±0.57
	infoNCE 对比损失项	98.59±0.20	99.80±0.03	97.31±0.20
	不同采样方式的对比损失项	98.38±0.01	99.78±0.00	95.67±0.09
	本文方法	98.45±0.31	99.79±0.04	96.51±0.84

下载: 导出CSV

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